class_docstr: Asymetric cross-entropy (ACE) Criterion used in
  "New Insights on Reducing Abrupt Representation
  Change in Online Continual Learning"
  by Lucas Caccia et. al.
  https://openreview.net/forum?id=N8MaByOzUfb
code: def __init__(self):
      pass
  
imports: import copy
  from collections import defaultdict
  from typing import List
  import torch
  import torch.nn.functional
  from avalanche.models import MultiTaskModule, avalanche_forward
label_desc: Use image node_id 1 to create a new ACECriterion object from inherited base classes: RegularizationMethod with example: obj = ACECriterion()